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Chapter 5 Troubleshooting Display Messages
017 STACKER JAM
CHECK STACKER
This message is
triggered if there is
paper inside the
throat of the stacker
elevator, but the
elevator is not
moving.
1. Open the cabinet rear door and check for
obstructions preventing elevator
movement. Remove any obstructions.
2. Check that the wheel of the stacker paper
motion detector rests against the rear
brace of the paper throat. Also make sure
the wheel rotates freely. If necessary,
gently bend the brace toward the paper
motion detector wheel until the wheel
contacts the brace. Clean the stacker
paper motion detector.
3. Power on the printer. Operate the power
stacker and check that:
a) all motors are operating,
b) the paddles are rotating,
c) the elevator moves smoothly and
without obstruction,
d) the timing belts are undamaged and
the belt pulleys are not slipping,
e) extension springs are attached and not
bent or stretched),
f) drive rollers are not damaged. Tighten
setscrews and replace damaged
components as necessary.
4. Power off the printer. Remove the paper
path. Disconnect stacker cables from the
CMX controller board, stacker assembly,
and stacker control panel. Check cables
for cuts, breaks, or damaged pins. Check
continuity of cables. (See Appendix A.)
Replace any cable that is damaged or
fails continuity test.
Table 4. Message List
Operator Panel
Message
Explanation Corrective Action
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